Weather History for Keokuk, IA

Change the Weather History Date:

Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 81 °F 66 °F
Mean Temperature 86 °F 69 °F 54 °F
Min Temperature 75 °F 56 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 11 1 0 39
Cooling Degree Days (base 65) 20 5 0 149
Growing Degree Days (base 50) 36 19 4 563
Dew Point  
Dew Point 73 °F 50 °F -13 °F
Precipitation  
Precipitation 0.80 in 0.06 in 0.00 in 1.72 in
Snowdepth - - - -
Wind  
Wind 26 mph 4 mph 0 mph
Gust Wind 38 mph 19 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.02 in 29.68 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 07, 2012 Rise Set
Actual Time 6:39 AM CDT 7:27 PM CDT
Civil Twilight 6:11 AM CDT 7:54 PM CDT
Nautical Twilight 5:38 AM CDT 8:27 PM CDT
Astronomical Twilight 5:04 AM CDT 9:01 PM CDT
Moon 11:21 PM CDT (9/7) 1:33 PM CDT (9/7)
Length of Visible Light 13h 43m
Length of Day
12h 47m
Waning Gibbous, 58% of the Moon is Illuminated
Sep 7
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Weather History Calendar

Precipitation Actual month total 1.72 Average Month Total: 4.17
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
80 | 73 0.80
Average:
84 | 63 0.11
Rain
Actual:
87 | 71 0.06
Average:
84 | 63 0.05
Clear
Actual:
93 | 73 0.00
Average:
82 | 63 0.13
Rain
Actual:
96 | 75 0.00
Average:
81 | 61 0.18
Rain
Actual:
91 | 66 0.44
Average:
81 | 59 0.16
Clear
Actual:
89 | 68 0.00
Average:
81 | 60 0.13
Rain
Actual:
86 | 62 0.08
Average:
83 | 61 0.03
Clear
Actual:
78 | 55 0.00
Average:
83 | 60 0.15
Clear
Actual:
77 | 55 0.00
Average:
81 | 60 0.11
Clear
Actual:
82 | 53 0.00
Average:
81 | 58 0.06
Clear
Actual:
91 | 64 0.00
Average:
81 | 58 0.10
Clear
Actual:
91 | 64 0.00
Average:
81 | 58 0.12
Rain
Actual:
77 | 57 0.11
Average:
80 | 59 0.21
Scattered Clouds
Actual:
77 | 51 0.01
Average:
78 | 58 0.27
Clear
Actual:
80 | 51 0.00
Average:
75 | 57 0.19
Scattered Clouds
Actual:
80 | 50 0.00
Average:
75 | 56 0.18
Rain
Actual:
82 | 53 0.14
Average:
75 | 56 0.24
Scattered Clouds
Actual:
69 | 48 0.00
Average:
78 | 57 0.21
Rain
Actual:
82 | 48 0.00
Average:
77 | 57 0.18
Clear
Actual:
75 | 51 0.00
Average:
76 | 56 0.10
Partly Cloudy
Actual:
82 | 51 0.00
Average:
73 | 53 0.17
Clear
Actual:
66 | 46 0.00
Average:
73 | 52 0.17
Clear
Actual:
69 | 39 0.00
Average:
73 | 51 0.15
Clear
Actual:
77 | 42 0.00
Average:
71 | 50 0.13
Rain
Actual:
84 | 60 0.08
Average:
72 | 51 0.15
Scattered Clouds
Actual:
78 | 64 0.00
Average:
74 | 51 0.14
Clear
Actual:
77 | 53 0.00
Average:
73 | 52 0.07
Clear
Actual:
75 | 48 0.00
Average:
75 | 52 0.02
Clear
Actual:
84 | 46 0.00
Average:
75 | 51 0.11
Clear
Actual:
80 | 51 0.00
Average:
74 | 51 0.15
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 80 76 73 72 69 66 78 76 73 29.92 29.86 29.82 10 8 2 15 11 25 0.80 Rain
2 87 79 71 73 69 63 78 72 58 29.91 29.88 29.83 10 7 2 12 7 - 0.06 Rain
3 93 83 73 73 69 64 78 65 44 29.94 29.91 29.87 10 8 2 6 2 - 0.00  
4 96 86 75 72 70 66 78 61 37 29.91 29.86 29.81 10 10 5 9 3 - 0.00 Rain
5 91 78 66 72 67 59 83 65 46 29.94 29.84 29.80 10 10 2 26 6 38 0.44 Rain
6 89 78 68 66 58 39 78 55 17 30.00 29.92 29.86 10 10 2 7 3 - 0.00  
7 86 74 62 66 62 55 77 68 51 29.97 29.85 29.78 10 10 10 16 5 25 0.08 Rain
8 78 66 55 55 47 39 77 53 24 30.05 29.99 29.90 10 10 10 16 6 22 0.00  
9 77 66 55 54 49 46 77 56 34 30.17 30.09 29.94 10 10 10 13 5 17 0.00  
10 82 68 53 54 48 39 77 52 21 30.22 30.14 30.06 10 10 2 13 3 16 0.00  
11 91 78 64 59 53 43 68 47 20 30.12 30.07 30.01 10 10 10 15 7 20 0.00  
12 91 78 64 63 55 48 73 47 23 30.14 30.09 30.05 10 10 10 13 7 18 0.00  
13 77 67 57 59 52 46 82 68 47 30.37 30.27 30.12 10 9 5 14 7 21 0.11 Rain
14 77 64 51 54 48 39 82 62 27 30.40 30.35 30.31 10 7 0 6 1 - 0.01  
15 80 66 51 55 47 37 77 55 21 30.32 30.25 30.16 10 9 1 9 2 17 0.00  
16 80 65 50 61 53 43 82 61 39 30.15 30.05 29.97 10 9 0 12 2 18 0.00  
17 82 68 53 64 57 46 82 73 48 29.98 29.91 29.79 10 8 0 15 2 23 0.14 Rain
18 69 58 48 48 39 27 82 54 21 30.06 30.01 29.94 10 10 10 14 4 20 0.00  
19 82 65 48 55 42 36 71 45 19 30.05 29.95 29.82 10 10 7 25 8 34 0.00 Rain
20 75 63 51 55 30 -13 72 38 4 29.99 29.96 29.90 10 10 10 17 4 24 0.00  
21 82 66 51 52 45 32 77 49 19 29.97 29.84 29.68 10 10 10 15 3 24 0.00  
22 66 56 46 46 36 27 77 50 23 30.25 30.09 29.88 10 10 10 17 6 26 0.00  
23 69 54 39 37 24 -4 81 44 5 30.33 30.27 30.23 10 10 10 16 2 23 0.00  
24 77 60 42 48 32 16 76 40 10 30.25 30.08 29.89 10 10 5 16 4 22 0.00  
25 84 72 60 64 58 46 78 65 48 29.89 29.84 29.80 10 10 4 9 2 - 0.08 Rain
26 78 71 64 61 55 46 83 62 34 30.11 29.99 29.88 10 8 1 9 2 - 0.00  
27 77 65 53 48 40 23 72 44 13 30.22 30.17 30.12 10 10 7 10 6 17 0.00  
28 75 62 48 48 41 34 82 51 23 30.23 30.17 30.13 10 10 7 9 3 - 0.00  
29 84 65 46 46 36 12 76 45 7 30.17 30.09 29.98 10 10 4 7 1 - 0.00  
30 80 66 51 48 40 27 72 43 14 29.98 29.93 29.87 10 10 10 7 3 - 0.00